公开(公告)号：US20190271652A1

公开(公告)日：2019-09-05

申请号：US16348041

申请日：2016-11-24

Applicant: Academy of Opto-Electronics Chinese Academy of Sciences

Inventor： Tianzhuo ZHAO ,  Fuqiang LIAN ,  Zeqiang MO ,  Weiran LIN ,  Yang LIU ,  Shuzhen NIE ,  Hong XIAO ,  Hongbo ZHANG ,  Zhongwei FAN

IPC: G01N21/71 ,  G01N33/24

Abstract: The present disclosure discloses a scanning type laser induced spectrum surface range analysis and detection system. A laser emitting head is connected to an external laser inducing light source. The external laser inducing light source generates lasers emitted through the laser emitting head, so as to generate laser induced plasma. A focusing optical device converges induction excited laser beams emitted by the laser emitting head onto a surface of a tested sample. Then, a reflector collects wide spectral range induced plasma scattered light signals of the tested sample and converges the signals into a light collecting device. The light collecting device converges induced plasma scattered light into an optical fiber and transmits the induced plasma scattered light to an external spectrograph; and the external spectrograph divides a spectrum formed by the plasma to obtain spectral strength data of different wavelengths. Therefore, the spectral collection of a wide range of several hundreds of nanometers is performed in the same optical axis; and the large energy laser induction in Joule level can be carried with an efficiency higher than 90%.